对未婚者应用的检查方法是
A．双合诊
B．三合诊
C．肛一腹诊
D． * * 扪诊
E．都不对
参考答案：C
--- Tony, you must have noticed the student who broke the glass．
--- I’m sorry．I attentively．
A．studied
B．was studying
C．am studying
D．would study
番泻叶主要含（）
A.蒽醌类成分
B.黄酮类成分
C.生物碱类成分
D.鞣质
E.香豆素类成分
